Improvement in the manufacture of paper



UNITED STATES PATENT OFFICE.

GEORGE W. HUHLBUT, 0F FAIR HAVEN, VERMONT, ASSIGNOR TO HIMSELF AND ABRAM U. VIGKER, OF SAME PLACE.

IMPROVEMENT'IN THE MANUFACTURE OF PAPER.

Specification forming part of Letters Patent No. 58,944, dated October 16, 1866.

To all whom it may concern:

Be it known that I, GEORGE W. HURLBUT,

of the town of Fair Haven, in the county of suitable stone is mixed with the pulp in the same way and answering the same purpose for which French clay and kaolin are used.

What I claim as my invention, and desire to secure by Letters Patent, is-

The use of pulverized clay-slate or other suitable stone as a material in the mannfae ture of paper, to give it bod y, evenness, and finish.

Dated at Fair Haven, Vermont, this 3d day of J nly, 1866.

ononen W. HURLBUT.

\Vituesses:

G. REED, N. It. REED. 

